The Gap Between Siblings’ Ages May Quietly Shape How Fast the Younger One Learns to Talk, a Large New Child-Development Study Involving Thousands of Families Finds
Parents comparing notes about how many years apart to have kids usually end up trading guesses — two years feels close, four feels spaced out, and nobody has hard numbers to point to. Child-development researchers do have numbers, and a large French birth-cohort study followed more than 12,000 two-year-olds to get them. It found that … Read more